.file-import {
  background: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.import-area {
  border: 2px dashed #ddd;
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  transition: all 0.3s ease;
  background: #fafafa;
}

.import-area.drag-over {
  border-color: #007bff;
  background: #e3f2fd;
}

.import-content {
  margin-bottom: 30px;
}

.import-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.import-content h3 {
  margin: 0 0 10px 0;
  color: #333;
  font-size: 20px;
}

.import-content p {
  margin: 0 0 15px 0;
  color: #666;
  font-size: 16px;
}

.supported-formats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 14px;
  color: #888;
}

.format {
  background: #e9ecef;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.import-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.import-btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
}

.import-btn.primary {
  background: #007bff;
  color: white;
}

.import-btn.primary:hover {
  background: #0056b3;
  transform: translateY(-1px);
}

.import-btn.secondary {
  background: #6c757d;
  color: white;
}

.import-btn.secondary:hover {
  background: #545b62;
  transform: translateY(-1px);
}

.import-tips {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #e9ecef;
}

.import-tips h4 {
  margin: 0 0 15px 0;
  color: #333;
  font-size: 16px;
}

.import-tips ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.import-tips li {
  padding: 5px 0;
  color: #666;
  font-size: 14px;
  position: relative;
  padding-left: 20px;
}

.import-tips li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #007bff;
  font-weight: bold;
}

@media (max-width: 768px) {
  .file-import {
    padding: 20px;
  }

  .import-area {
    padding: 30px 15px;
  }

  .import-icon {
    font-size: 40px;
    margin-bottom: 15px;
  }

  .import-content h3 {
    font-size: 18px;
  }

  .import-content p {
    font-size: 14px;
  }

  .supported-formats {
    font-size: 13px;
  }

  .import-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .import-btn {
    padding: 14px 20px;
    font-size: 15px;
    width: 100%;
    max-width: 250px;
    margin: 0 auto;
  }

  .import-tips {
    margin-top: 20px;
    padding-top: 15px;
  }

  .import-tips h4 {
    font-size: 15px;
  }

  .import-tips li {
    font-size: 13px;
    padding: 3px 0;
  }
}

@media (max-width: 480px) {
  .file-import {
    padding: 15px;
  }

  .import-area {
    padding: 25px 10px;
  }

  .import-content h3 {
    font-size: 16px;
  }

  .import-content p {
    font-size: 13px;
  }

  .import-btn {
    padding: 12px 16px;
    font-size: 14px;
  }
}